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General Notes

IMPORTANT

Avoid mixing wheels or hub and bolt assemblies of different mounting systems with common bolt patterns. Examples:

  • 1.

    U.S. hub piloted (22mm wheel bolts) with 8 hole 275mm ISO (20mm wheel bolts).

  • 2.

    DCN stud piloted with 10 hole hub piloted.

Inner Cap Nuts

Inner cap nuts for aluminum inner dual DCN wheels must be high-strength nuts made from material equivalent to SAE Grade 8 and should conform to industry part number 5988. These nuts are not available from Motor Wheel.

WHEEL USAGE: The abbreviations for Wheel Usage are:

S A

For use with steel wheels For use with aluminum wheels

S, A

For use with steel or aluminum wheels

ABBREVIATIONS

DCN

Double Cap Nut

CLN

Cone Lock Nut

RH

Right hand

LH

Left hand

ABS Loc

ABS ring face location

Footnotes (Hub & Drum Assemblies sections)

The letters in the Footnotes column have the following meaning:

K L M Q T U V W Y Z

10 / 8.75 Lube fill: 1/4-18 NPTF - Iron Hubs, 9/16-18 0-ring Seal -Alum. Hubs

    • 5.19

      ” offset

    • 5.44

      ” offset

For axles with 8.62” linings located at the 7” brake location For axles with 8.62” linings located inboard of the 7” brake location For industry axles except Meritor TN or TB For Meritor TN or TB axles only Assembly includes an unbalanced drum 80-tooth ABS rings for use with tire diameters 15” and 17.5”

ORDERING SUFFIXES OPTIONAL PART NUMBER SUFFIXES FOR MOTOR WHEEL PRODUCTS

Bearing Cup Suffix Added to Part Number f

T TH H SC

Hub Assy, Hub+Drum Assy Hub Assy, Hub+Drum Assy Hub Assy, Hub+Drum Assy Hub Assy, Hub+Drum Assy

or

Means Timken case-hardened bearing cups Timken thru-hardened bearing cups Hyatt / General Bearing Corp. cups Stemco-supplied bearing cups

Hub Color

W

Hub Assy, Hub+Drum Assy

White Hub Paint (Default is black).

Note: CentriFuse drums are always supplied BALANCED Full-Cast Drum Balance

Z

Trailer Hub+Drum Assy’s

Use Balanced Full-Cast Drum

Assembly Nuts M M M1 M8

Note: Default is 2 disposable nuts

Full-Cast Hub+Drum Assy CLN Inboard Hub+Drum Assy DCN Hub+Drum Assy CLN or DCN Hub+Drum Assy CLN (8-Hole)

(2) usable wheel nuts installed (20) usable wheel nuts installed (only Lowboy assys) (10) usable wheel nuts installed (8) usable wheel nuts installed

Examples:

4809001 Z M1= Hub+Drum 4809001 with Balanced Drum & 10 usable nuts 410050 T W = 410050 White Hub Assembly with Timken case-hardened cups

2

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